polonium mungsuh Actinium
Tabel périodik
Symbol
Po
Ac
Panggil Group
16
2
ora Sumadhiya
Panggil periode
6
7
Block
p pemblokiran
pemblokiran f
Family unsur
Transisi Post-
actinide
CAS Number
7440086
99+
7440348
99+
Jeneng papan Group
Pm-3M
Fm_ 3M
Space Group Number
221.00
3
225.00
2
facts
Facts Interesting
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
ora Cepak
sumber
Mining, Ores logam
Dijupuk dening Nambani Radium karo Neutron, Ores logam
History
sing katutup
Pierre Curie and Marie Curie
Friedrich Oskar Giesel
Discovery
ing taun 1898
ing taun 1902
turah mbrawah
Turah mbrawah Ing Segara
0.00 %
99+
ora Sumadhiya
ulah
Ulah lan Wuku
- Polonium logam allotropes beda, kang digunakake ing piranti antistatic lan kanggo riset waé.
- A 1 gram saka Polonium bisa tekan suhu 500 ° C, Empu kang digunakake minangka sumber panas kanggo peralatan papan.
- metal Actinium wis sumber sinar alfa nanging ora dienggo njaba riset waé.
Ulah Industrial
Industry Aerospace, Industry amunisi
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Highly Toxic
Toxic
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
0.00 Sang / mg dm-3
37
ing Bone
0.00 ppm
36
0.00 ppm
36
fisik Properties
leleh Point
254.00 ° C
99+
1,227.00 ° C
38
Boiling Point
962.00 ° C
99+
3,200.00 ° C
26
katon
State fisik
Solid
Solid
warna
Silver
perak Putih
luster
NA
NA
atose
Kacepetan swara
ora Sumadhiya
ora Sumadhiya
Properties Optical
allotropes
Ya
Ora
α allotropes
α-polonium
ora Sumadhiya
β allotropes
β-polonium
ora Sumadhiya
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Po
Ac
isotop
Isotop dikenal
29
10
29
10
keelektronegatifan
Pauling Elektronegativitas
2.00
7
1.10
99+
Allred Rochow Elektronegativitas
1.76
2
1.00
36
Mulliken-Jaffe Elektronegativitas
2.48
1
ora Sumadhiya
Allen Elektronegativitas
2.19
2
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.00
99+
2.90
10
tenogo ionisasi
Level Energy 1st
812.10 kJ / mol
14
499.00 kJ / mol
99+
Level Energy 2
ora Sumadhiya
1,170.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
1,900.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
4,700.00 kJ / mol
23
padha karo elektrokimia
3.90 g / amp-day
8
2.82 g / amp-day
18
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
84
32
89
29
Konfigurasi elektron
[Xe] 4F 14 5d 10 6s 2 6p 4
[Rn] 6D 1 7s 2
Struktur Crystal
Pénguapan (Mon)
Face tengah kubik (FCC)
Crystal pola
MON-Crystal-Structure-of-Polonium.jpg#100
FCC-Crystal-Structure-of-Actinium.jpg#100
atom
Jumlah proton
84
32
89
29
Jumlah Neutron
125
19
138
16
Jumlah Èlèktron
84
32
89
29
Radius saka Atom
Radius atom
168.00 pm
23
195.00 pm
7
kovalen Radius
140.00 pm
99+
ora Sumadhiya
Van der Waals Radius
197.00 pm
29
ora Sumadhiya
Bobot atom
209.00 Amu
28
227.00 Amu
25
Volume atom
22.23 cm3 / mol
13
22.54 cm3 / mol
11
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
38.60 (-eV)
99+
Constant pola
335.90 pm
99+
567.00 pm
8
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
9.20 g / cm 3
99+
10.00 g / cm 3
37
Kapadhetan Nalika Liquid (ing mp)
9.40 g / cm3
19
ora Sumadhiya
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
9.32
31
10.07
28
Nindakake Magnetic
nonmagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Unknown
resistivity
0.40 nΩ · m
99+
ora Sumadhiya
konduktivitas listrik
0.02 10 6 / cm Ω
99+
ora Sumadhiya
elektron Affinity
183.30 kJ / mol
3
ora Sumadhiya
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.12 J / (kg K)
40
Graham Kapasitas kalor
26.40 J / mol · K
28
27.20 J / mol · K
18
doyo termal
20.00 W / m · K
99+
12.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
23.50 μm / (m · K)
16
ora Sumadhiya
enthalpy
Enthalpy panguapan
60.30 kJ / mol
99+
ora Sumadhiya
Enthalpy saka Fusion
13.00 kJ / mol
26
ora Sumadhiya
Enthalpy saka atomization
134.00 kJ / mol
99+
301.00 kJ / mol
36
Standard molar Entropy
ora Sumadhiya
56.50 J / mol.K
25
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